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ILO/ARPLA. Codes of Practice: A StructuralAnalysis. Bangkok: ILO (ARPLA). 1987. 88pp.US $ 2.00 Paperback. pdr [Internet]. 2022 Dec. 23 [cited 2025 Jun. 11];29(3-4):pp.350-354. Available from: https://thepdr.pk/index.php/pdr/article/view/975